Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE DISCLOSURES - Schedule of Unamortized Debt Discount (Details)

v3.20.4
FAIR VALUE DISCLOSURES - Schedule of Unamortized Debt Discount (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Mar. 31, 2020
Dec. 07, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount $ 47,456 $ 50,660  
PK Air Debt | Secured Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount 10,354 12,620  
Macquarie Debt | Secured Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount 8,257 11,063  
7.750% Senior Notes | Senior Notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount $ 5,418 0  
Stated interest rate 7.75%   7.75%
Lombard Debt | Secured Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount $ 23,214 26,372  
Airnorth Debt | Secured Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount $ 213 $ 605